Yearly & Monthly weather

Climate and monthly weather forecast

Weather in January

January, like December, in Wamac, Illinois, is an icy winter month, with an average temperature fluctuating between 2.9°C and -4.3°C. January is the month when Wamac experiences its coldest temperatures, averaging a high of 2.9°C and a low of -4.3°C. Weather in January »

Weather in February

February, the last month of the winter in Wamac, is another cold month, with an average temperature varying between 5.6°C and -2.1°C. Transitioning from January to February, Wamac observes an average high-temperature of a still icy 5.6°C, differing subtly from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Wamac, is a fresh month, with an average temperature fluctuating between 12.1°C and 3.3°C. March's arrival signals an increase in average high-temperatures, moving from February's wintry 5.6°C to a fresh 12.1°C. Weather in March »

Weather in April

April in Wamac, Illinois, is an enjoyable spring month, with an average temperature varying between 18.1°C and 8.7°C. As April arrives, a rise in the average high-temperature is observed, moving from a fresh 12.1°C in March to a comfortable 18.1°C. Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Wamac, Illinois, with an average temperature ranging between min 14.3°C and max 23.6°C. Wamac's weather in May presents a rise in the average high-temperature, moving from a comfortable 18.1°C in April to a moderately hot 23.6°C. Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Wamac, Illinois, with an average temperature fluctuating between 19.1°C and 28.5°C. June signals a minor shift in the average high-temperature, moving from May's moderately hot 23.6°C to a still warm 28.5°C. Weather in June »

Weather in July

July, like June, in Wamac, Illinois, is a moderately hot summer month, with an average temperature ranging between max 29.4°C and min 19.8°C. Temperature records mark July as the warmest month, with highs averaging 29.4°C and lows at 19.8°C. Throughout July, the heat index is evaluated at a torrid 36°C. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Wamac, Illinois, with temperature in the range of an average low of 18.8°C and an average high of 28.8°C. The arrival of August records an average high-temperature of a still warm 28.8°C, closely related to the 29.4°C observed in July. Weather in August »

Weather in September

September, the first month of the autumn in Wamac, is also a moderately hot month, with an average temperature varying between 25.8°C and 15.5°C. September's onset brings a negligible change in high-temperatures, falling from a warm 28.8°C in August to a still moderately hot 25.8°C. Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Wamac, Illinois, with an average temperature ranging between min 9.5°C and max 19°C. The onset of October is marked by a decrease in temperature, transitioning from a warm 25.8°C in September to a comfortable 19°C. Weather in October »

Weather in November

November, the last month of the autumn in Wamac, is another cool month, with an average temperature ranging between min 3.3°C and max 11.3°C. November brings a decrease in the average high-temperature, falling from October's comfortable 19°C to a fresh 11.3°C. Weather in November »

Weather in December

December, the first month of the winter in Wamac, is still a cold month, with an average temperature fluctuating between -0.8°C and 5.5°C. The onset of December is marked by a decrease in temperature, transitioning from a fresh 11.3°C in November to a wintry 5.5°C. Weather in December »

Updated: Jun 6, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Wamac?

With an average high-temperature of 2.9°C and an average low-temperature of -4.3°C, January is the coldest month.

How many days does it rain?

In Wamac, Illinois, during the entire year, the rain falls for 83.2 days and collects up to 173mm of precipitation.

When does it snow?

Months with snowfall in Wamac are January through March, November and December.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 3.8 days and typically aggregates up to 7mm of snow.

How much does it snow?

In Wamac, during the entire year, snow falls for 11.9 days and aggregates up to 20mm of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.4h of sunshine.

What is the month with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Wamac?

The months with the most rainfall are April and July, with an average 19mm of precipitation.

When it does not snow in Wamac?

In Wamac, snow does not fall in April through October.

What is the most humid month?

May and July, with an average relative humidity of 80%, are most humid months.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days?

With an average of 14h and 48min of daylight, June has the longest days of the year.

What is the month with the most sunshine?

The months with the most sunshine are June and July, with an average of 10.3h of sunshine.

What part of the year is the hottest?

With average high temperatures of 29.4°C and lows of 19.8°C, July is the warmest month in Wamac.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 6.3 days and typically collects 6mm of precipitation.

What is the least humid month?

With an average relative humidity of 71%, October is the least humid month.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

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Long-term

Year J F M A M J J A S O N D

Average temperature
Wamac, IL

Average high temperature in January:
2.9°C
Average high temperature in February:
5.6°C
Average high temperature in March:
12.1°C
Average high temperature in April:
18.1°C
Average high temperature in May:
23.6°C
Average high temperature in June:
28.5°C

Average high temperature in July:
29.4°C
Average high temperature in August:
28.8°C
Average high temperature in September:
25.8°C
Average high temperature in October:
19°C
Average high temperature in November:
11.3°C
Average high temperature in December:
5.5°C

The warmest month (with the highest average high temperature) is July (29.4°C).
The month with the lowest average high temperature is January (2.9°C).

Average low temperature in January:
-4.3°C
Average low temperature in February:
-2.1°C
Average low temperature in March:
3.3°C
Average low temperature in April:
8.7°C
Average low temperature in May:
14.3°C
Average low temperature in June:
19.1°C

Average low temperature in July:
19.8°C
Average low temperature in August:
18.8°C
Average low temperature in September:
15.5°C
Average low temperature in October:
9.5°C
Average low temperature in November:
3.3°C
Average low temperature in December:
-0.8°C

The month with the highest average low temperature is July (19.8°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure
Wamac, IL

Average pressure in July:
1015mbar
Average pressure in August:
1015.3mbar
Average pressure in September:
1016.8mbar
Average pressure in October:
1017.2mbar
Average pressure in November:
1020.4mbar
Average pressure in December:
1020.4mbar

The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

Average wind speed
Wamac, IL

Average wind speed in January:
16km/h
Average wind speed in February:
16.1km/h
Average wind speed in March:
15.8km/h
Average wind speed in April:
15.4km/h
Average wind speed in May:
12.9km/h
Average wind speed in June:
11.2km/h

Average wind speed in July:
9.4km/h
Average wind speed in August:
9.5km/h
Average wind speed in September:
10.4km/h
Average wind speed in October:
13.4km/h
Average wind speed in November:
14.5km/h
Average wind speed in December:
14.7km/h

The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).

Average humidity
Wamac, IL

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Wamac, IL

The wettest months (with the highest rainfall) are April and July (19mm).
The driest month (with the least rainfall) is September (6mm).

Average rainfall days
Wamac, IL

Average rainfall days in January:
3.7 days
Average rainfall days in February:
4.5 days
Average rainfall days in March:
8.3 days
Average rainfall days in April:
9.7 days
Average rainfall days in May:
10.1 days
Average rainfall days in June:
8.1 days

Average rainfall days in July:
9.6 days
Average rainfall days in August:
7.4 days
Average rainfall days in September:
6.3 days
Average rainfall days in October:
5.8 days
Average rainfall days in November:
5.6 days
Average rainfall days in December:
4.1 days

The month with the highest number of rainy days is May (10.1 days).
The month with the least rainy days is January (3.7 days).

Average snowfall
Wamac, IL

The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days
Wamac, IL

Average snowfall days in January:
3.8 days
Average snowfall days in February:
3.3 days
Average snowfall days in March:
1.7 days
Average snowfall days in April:
0.3 days
Average snowfall days in May:
0 days
Average snowfall days in June:
0 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0 days
Average snowfall days in October:
0 days
Average snowfall days in November:
0.6 days
Average snowfall days in December:
2.2 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Wamac, IL

Average daylight in January:
9h and 5min
Average daylight in February:
10h and 5min
Average daylight in March:
12h and 0min
Average daylight in April:
13h and 1min
Average daylight in May:
14h and 2min
Average daylight in June:
14h and 5min

Average daylight in July:
14h and 3min
Average daylight in August:
13h and 4min
Average daylight in September:
12h and 2min
Average daylight in October:
11h and 1min
Average daylight in November:
10h and 1min
Average daylight in December:
9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in January:
4h and 2min
Average sunshine in February:
4h and 4min
Average sunshine in March:
6h and 2min
Average sunshine in April:
8h and 2min
Average sunshine in May:
9h and 1min
Average sunshine in June:
10h and 2min

Average sunshine in July:
10h and 2min
Average sunshine in August:
10h and 1min
Average sunshine in September:
9h and 1min
Average sunshine in October:
6h and 2min
Average sunshine in November:
5h and 3min
Average sunshine in December:
4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days
Wamac, IL

Average sunshine days in January:
24.5 days
Average sunshine days in February:
21.4 days
Average sunshine days in March:
20.7 days
Average sunshine days in April:
18.9 days
Average sunshine days in May:
16.8 days
Average sunshine days in June:
17.7 days

Average sunshine days in July:
17.1 days
Average sunshine days in August:
20.3 days
Average sunshine days in September:
21.4 days
Average sunshine days in October:
23.5 days
Average sunshine days in November:
23 days
Average sunshine days in December:
24.5 days

The months with the most sunshine days are January and December (24.5 days).
The month with the least sunshine days is May (16.8 days).

Average UV index
Wamac, IL

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover
Wamac, IL

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility
Wamac, IL

The months with the highest visibility are October and November (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (9km).

°Celsius °Fahrenheit

Climate and monthly weather forecastWamac, IL

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